<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="../../layui/css/layui.css">
    <script src="../../layui/layui.js"></script>
    <style>
        .mynav{
            background-color: #409eff !important;
        }
    </style>
</head>
<body>
    <!-- 按钮 -->
    <button class="layui-btn">默认按钮</button>
    <button class="layui-btn layui-btn-normal">默认按钮</button>
    <button class="layui-btn layui-btn-warm">默认按钮</button>
    <button class="layui-btn layui-btn-danger">默认按钮</button>
    <button class="layui-btn layui-btn-primary layui-border-green">主要按钮</button>

    <ul class="layui-nav mynav">
        <li class="layui-nav-item">
            <a href="">首页 <i class="layui-icon layui-icon-down layui-nav-more"></i></a>
            <dl class="layui-nav-child layui-nav-child-c layui-anim layui-anim-upbit">
                <dd>1</dd>
                <dd>2</dd>
                <dd>3</dd>
                <dd>4</dd>
            </dl>
        </li>
        <li class="layui-nav-item">
            <a href="">首页</a>
        </li>
        <li class="layui-nav-item">
            <a href="">首页</a>
        </li>
        <li class="layui-nav-item">
            <a href="">首页</a>
        </li>
        <li class="layui-nav-item">
            <a href="">首页</a>
        </li>
        <li class="layui-nav-item">
            <a href="">首页</a>
        </li>
    </ul>
</body>
</html>